Differentiation hypotheses concern changes in the structural organization of cognitive abilities that depend on the level of general intelligence (ability differentiation) or age (developmental differentiation). Part 1 of this article presents a review of the literature on ability and developmental differentiation effects in children, revealing…

The National Council of Teachers of Mathematics (NCTM) emphasizes the teaching of "Big Ideas" in mathematics. This study focuses on the part-part-whole (PPW) relationship as a crucial aspect of word problem solving involving addition and subtraction. This study, conducted in the United States, evaluated the effects of conceptual…

Reading comprehension is a fundamental skill to be developed from the early stages of reading acquisition and it is essential for both formative and personal learning. This study examines eye-tracking as a useful and complementary tool in the assessment and improvement of implicit reading comprehension. The aim is to understand the role of…

This study investigated whether listening comprehension played a mediator role between vocabulary and reading comprehension. 127 Mandarin-speaking children were longitudinally assessed at 6;4, 6;10, 7;4, and 7;10. Data were collected in four batteries of tests implemented at the beginning of first grade (T[subscript 1]); at mid-first grade…

Purpose: Researchers have developed a constellation model of decodingrelated reading disabilities (RD) to improve the RD risk determination. The model's hallmark is its inclusion of various RD indicators to determine RD risk. Classification methods such as logistic regression (LR) might be one way to determine RD risk within the constellation…

There is a paucity of research on the day-to-day experiences of raising gifted children from the perspective of parents. This qualitative study aimed to delve deeply into the phenomenon by interviewing parents of elementary-age gifted children. We conducted 12 interviews with parents whose children attended gifted schools. The interview…

Background: The aim of this longitudinal study was to examine the relationship between character reading and spelling and to explore the role of reading-related skills in Chinese literacy. Methods: A test battery that included measures of morphological awareness (homophone awareness and compound word awareness), orthographic awareness, rapid…

This article examines the validity of IQ-achievement discrepancy and low achievement as criteria for the identification of disabilities in Spanish-speaking English-language learners (ELs) and the factors that moderate the validity of these approaches as bases for identification. While there has been a long history of examining the validity of…

This article examines the validity of IQ-achievement discrepancy and low-achievement as criteria for the identification of disabilities in Spanish-speaking ELs and the factors that moderate the validity of these approaches as bases for identification. While there has been a long history of examining the validity of different approaches to…

This study investigated the impact of second language (L2) lexical quality on L2 reading comprehension in bilingual primary education. The participating children were taught in the L2 English for 30-50% of the time and the remaining time in their L1 Dutch. Seventy-three pupils from four different schools were assessed in the L2 on vocabulary,…

This study strived to determine the effectiveness of integrative teaching of reading strategies and working memory on basic math and problem-solving skills. It is a quasi-experimental pretest-posttest study carried out on 50 second-graders from Chahashk Shandiz village in the academic year of 2020-2021 who were randomly selected by cluster…

Purpose: Our 1-year longitudinal study tracked the development of cognate awareness among second (L2) and third language (L3) learners of French in French immersion in Grades 1 and 2 to explore the impact of orthographic overlap and cognate status (true vs. false) on children's ability to recognize cognate relationships. We also assessed the…

Purpose: Oral narrative, or storytelling, skills may constitute a linguistic strength for African American children, with implications for academic and social well-being. Despite this possibility, few studies have examined individual differences in oral narrative skill among African American children. To address this gap in the literature, this…

We examined the associations of cognitive skills, math-related emotions and beliefs, and gender with responses to an arithmetic fluency intervention. Elementary school children with dysfluent arithmetic skills (N=69) participated in an arithmetic fluency intervention (with and without self-efficacy support) implemented in small groups in schools…

This study investigates how individual differences in 7- to 9-year-olds' curiosity relate to the inquiry-learning process and outcomes in environments differing in structure. The focus on curiosity as individual differences variable was motivated by the importance of curiosity in science education, and uncertainty being central to both the…